Portable fire resistant case

In a case having a body and a cover that can be held releasably closed together, an improvement making said case fire resistant, said improvement comprising:

• a. molded resin forms having double walls defining cavities respectively shaped to form said body and said cover and having filling openings communicating with said cavities;
• b. fire resistant insulation material filling said cavities in said body and cover and extending into said filling openings;
• c. severed stubs of said insulation material remaining in said filling openings;
• and
• d. resin material covering and sealing said severed stubs.

A method of making a case fire resistant, said case having a body and cover that can be held releasably closed together, said method comprising:

• a. molding forms for said body and cover of resin material having double walls defining cavities in the shapes of said body and cover and having filling projections communicating with said cavities;
• b. flowing fire resistant insulation material through said filling projections and into said cavities to fill said cavities and portions of said filling projections;
• c. after said insulation material is set, cutting off said filling projections and said insulation material in said filling projections to leave severed stubs of exposed insulation bounded by said forms;
• and
• d. securing resin material over said severed stubs for covering and sealing said insulation material.